4 files changed, 65 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/arm/Makefile.inc b/payloads/libpayload/arch/arm/Makefile.inc
index 5c22ea849b..7009884326 100644
--- a/payloads/libpayload/arch/arm/Makefile.inc
+++ b/payloads/libpayload/arch/arm/Makefile.inc
@@ -38,6 +38,7 @@ libc-y += virtual.c
 libc-y += memcpy.S memset.S memmove.S
 libc-y += exception_asm.S exception.c
 libc-y += cache.c cpu.S
+libc-y += selfboot.c
 libcbfs-$(CONFIG_LP_CBFS) += dummy_media.c
 
 # Add other classes here when you put assembly files into them!
diff --git a/payloads/libpayload/arch/arm/selfboot.c b/payloads/libpayload/arch/arm/selfboot.c
new file mode 100644
index 0000000000..cbb7ef1b51
--- /dev/null
+++ b/payloads/libpayload/arch/arm/selfboot.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but without any warranty; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <libpayload.h>
+
+extern void *cb_header_ptr;
+
+void selfboot(void *entry)
+{
+	__asm__ __volatile__(
+		"mov r0, %[cb_header_ptr]\n"
+		"bx %[entry]\n"
+		:: [cb_header_ptr]"r"(cb_header_ptr), [entry]"r"(entry)
+		: "r0"
+	);
+}
diff --git a/payloads/libpayload/arch/x86/Makefile.inc b/payloads/libpayload/arch/x86/Makefile.inc
index 549a6303e7..d9cc19e5db 100644
--- a/payloads/libpayload/arch/x86/Makefile.inc
+++ b/payloads/libpayload/arch/x86/Makefile.inc
@@ -31,6 +31,7 @@ head.o-y += head.S
 libc-y += main.c sysinfo.c
 libc-y += timer.c coreboot.c util.S
 libc-y += exec.S virtual.c
+libc-y += selfboot.c
 libc-y += string.c
 libc-y += exception_asm.S exception.c
 
diff --git a/payloads/libpayload/arch/x86/selfboot.c b/payloads/libpayload/arch/x86/selfboot.c
new file mode 100644
index 0000000000..fc89859643
--- /dev/null
+++ b/payloads/libpayload/arch/x86/selfboot.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but without any warranty; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <libpayload.h>
+
+void selfboot(void *entry)
+{
+	void (*entry_func)(void) = entry;
+	entry_func();
+}